/*
*    Qizx/open 3.0 beta
*
* This code is the open-source version of Qizx.
* Copyright (C) 2004-2009 Axyana Software -- All rights reserved.
*
* The contents of this file are subject to the Mozilla Public License 
*  Version 1.1 (the "License"); you may not use this file except in 
*  compliance with the License. You may obtain a copy of the License at
*  http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
*  WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
*  for the specific language governing rights and limitations under the
*  License.
*
* The Initial Developer of the Original Code is Xavier Franc - Axyana Software.
*
*/
using System;
namespace System.Qizx.XQuery
{
	
	/// <summary>  Conveys information needed for comparing XQuery Items.</summary>
	public interface ComparisonContext
	{
		/// <summary>  implicit time zone as a difference in minutes from GMT (or UTC).</summary>
		int ImplicitTimezone
		{
			get;
			
		}
		/// <summary> Collator used for strings. If null, use the codepoint comparison.</summary>
		System.Globalization.CompareInfo getCollator();
		
		bool emptyGreatest();
	}
}